1,>>cftool
2,
3,
4,fitting
5,
6,拟合结果以及误差参数
General model Exp1:
f(x) = a*exp(b*x)
Coefficients (with 95% confidence bounds):
a = 3.031e+017 (2.641e+017, 3.421e+017)
b = -5.803 (-5.822, -5.784)
Goodness of fit:
SSE: 0.002261 %和方差
R-square: 1 %确定性系数 越接近1,表明方程的变量对y的解释能力越强,这个模型对数据拟合的也较好。
Adjusted R-square: 1
RMSE: 0.007426 %均方根